body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  background-color: #F2F4F7;
  box-sizing: border-box;
}
a {
  color: #707070;
  text-decoration: none;
}
a:hover {
  color: #e03326;
  text-decoration: none;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px !important;
  }
}
.wrap_1 {
  position: fixed;
  top: 0;
  z-index: 9999;
  width: 20rem;
  background-color: #fff;
}
.header {
  display: flex;
  padding: 0.266667rem 0;
}
.header .img {
  width: 4.533333rem;
  height: 1.066667rem;
}
.header div {
  height: 0.933333rem;
  margin: 0.64rem 0 0.533333rem 0.533333rem;
}
.header input {
  width: 5.333333rem;
  height: 0.8rem;
  padding: 0.4rem 0.213333rem;
  margin: 0.64rem 0 0.533333rem 0.133333rem;
  line-height: 1.8rem;
  border: 1px solid #ccc;
  border-radius: 16px;
  font-size: 0.48rem;
}
.header .find {
  width: 0.906667rem;
  height: 0.906667rem;
  font-size: 0.64rem;
  margin-left: 3.466667rem;
  line-height: 0.906667rem;
}
.header .sign {
  padding: 0.08rem 0.08rem 0.133333rem 0.08rem;
  border: 2px solid #e03326;
  border-radius: 16px;
  background-color: #f5b1ab;
  font-size: 0.48rem;
  color: #e03326;
}
.header .sign a {
  padding: 0.053333rem 0.133333rem;
  height: 0.933333rem;
  font-size: 0.48rem;
  color: #e03326;
  text-decoration: none;
}
.header .sign a:hover {
  color: #fff;
}
.nav {
  margin: 0.266667rem 0;
}
.nav li {
  display: flex;
  float: left;
  width: 12.5%;
  padding: 0.266667rem 0.533333rem;
  font-size: 0.693333rem;
}
.nav li:nth-child(1) a {
  color: #e03326;
}
.wrap_2 {
  position: relative;
  width: 20rem;
  padding: 0.4rem 0.266667rem 1.066667rem 0.266667rem;
  background-color: #fff;
  margin-top: 4.8rem;
}
.wrap_2 .swiper-container {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0.266667rem 0.266667rem 0 0.266667rem;
  padding-right: 0.533333rem;
}
.wrap_2 .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.wrap_2 .swiper-slide img {
  width: 19.2rem;
  height: 5.333333rem;
}
.wrap_2 .swiper-pagination {
  position: absolute;
  left: 50%;
  transform: translateX(-50%) !important;
  font-size: 0.533333rem;
  padding-top: 0.213333rem;
}
.wrap_2 .swiper-pagination .swiper-pagination-bullet {
  margin: 0 0.16rem;
  background-color: red;
}
.content {
  position: relative;
  padding: 0.666667rem 0.64rem 0.666667rem 0.64rem;
  background-color: #fff;
  margin-top: 0.266667rem;
}
.content .title {
  position: absolute;
  top: 0.666667rem;
  left: 0.533333rem;
  width: 5.666667rem;
  height: 2.066667rem;
}
.content .content-hd {
  display: flex;
  justify-content: space-between;
  height: 1.013333rem;
  line-height: 1.013333rem;
  margin: 0.533333rem 0;
}
.content .content-hd h4 {
  margin: 0.213333rem 0.533333rem;
  font-size: 0.693333rem;
  color: #333333;
  font-weight: 700;
}
.content .content-hd span {
  color: #999999;
  font-size: 0.586667rem;
  margin-top: 0.133333rem;
}
.content .content-hd .more {
  color: #999999;
  font-size: 0.586667rem;
}
.content .content-hd .more:hover {
  color: #e03326;
}
.intro ul li {
  position: relative;
  height: 3.626667rem;
  padding: 0.533333rem 0.266667rem;
}
.intro ul li span {
  display: block;
  float: left;
  overflow: hidden;
  width: 4.533333rem;
  height: 2.88rem;
  border-radius: 0.213333rem;
}
.intro ul li span img {
  width: 4.533333rem;
  height: 2.88rem;
}
.intro ul li .classes {
  float: left;
}
.intro ul li .classes a {
  display: block;
  width: 9.866667rem;
  margin: 0 0.266667rem;
  padding: 0.213333rem 0.133333rem 0.266667rem 0.133333rem;
  font-size: 0.64rem;
  color: black;
}
.intro ul li .classes a:hover {
  color: #e03326;
  cursor: pointer;
}
.intro ul li .classes p {
  float: left;
  margin: 0 0 0 0.4rem;
  padding: 0.213333rem 0.213333rem;
  font-size: 0.48rem;
}
.intro ul li .price {
  position: absolute;
  top: 0.466667rem;
  right: 0;
  float: right;
}
.intro ul li .price .now {
  width: 2.133333rem;
  text-align: center;
  font-size: 0.586667rem;
  color: #e03326;
  border: 2px solid #e03326;
  background-color: #fff;
  border-radius: 20px;
  margin-left: 0.266667rem;
  margin-bottom: 0.133333rem;
}
.intro ul li .price .now:hover {
  color: #fff;
  border: 2px solid #fff;
  background-color: #e03326;
}
.intro ul li .price .before {
  float: left;
  font-size: 0.426667rem;
  color: #e03326;
}
.intro ul li .price .before p {
  float: right;
  font-size: 0.48rem;
  text-decoration: line-through;
}
.work {
  display: flex;
  justify-content: center;
  padding: 0.533333rem 0;
  margin-top: 0.4rem;
}
.work li {
  height: 3.066667rem;
  padding: 0;
  margin: 0;
}
.work li a {
  float: left;
  padding: 0;
  margin: 0;
}
.work li a img {
  width: 6.933333rem;
  height: 3.36rem;
}
.online .swiper-container {
  width: 100%;
  height: 100%;
}
.online .swiper-slide {
  margin-bottom: 0.533333rem;
  padding: 0 0.666667rem;
  font-size: 18px;
  width: 65%;
  background-color: #f3f4f7;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: start;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: start;
}
.online .swiper-slide h3 {
  color: black;
  font-size: 0.64rem;
  margin-top: 0.533333rem;
  margin-bottom: 0.266667rem;
}
.online .swiper-slide p {
  color: black;
  font-size: 0.586667rem;
  margin: 0.106667rem 0 0.373333rem 0;
}
.online .swiper-slide .teacher {
  color: black;
  padding-bottom: 0.266667rem;
}
.online .swiper-slide .teacher div {
  float: left;
  border-radius: 50%;
  overflow: hidden;
  width: 0.933333rem;
  height: 0.933333rem;
}
.online .swiper-slide .teacher div img {
  width: 0.933333rem;
  height: 0.933333rem;
}
.online .swiper-slide .teacher p {
  float: left;
  font-size: 0.586667rem;
  margin: 0.213333rem 0.133333rem;
}
.online .swiper-slide:hover {
  cursor: pointer;
}
.online .swiper-slide:hover h3 {
  color: #e03326;
}
.mooc {
  margin-bottom: 2.933333rem;
}
.mooc .swiper-container {
  width: 100%;
  padding: 0.266667rem 0.533333rem 0.8rem 0.533333rem;
}
.mooc .swiper-wrapper {
  margin-bottom: 0.373333rem;
}
.mooc .swiper-slide {
  background-position: center;
  background: no-repeat;
  background-size: 6.666667rem 8rem;
  width: 6.666667rem;
  height: 8rem;
}
.mooc .swiper-pagination-bullet {
  width: 0.213333rem;
  height: 0.213333rem;
  margin: 0 0.106667rem;
  background-color: #e03326;
}
.mooc .swiper-pagination {
  bottom: 0.266667rem !important;
}
.mooc a:hover {
  cursor: pointer;
}
.footer {
  position: fixed;
  display: flex;
  left: 0;
  bottom: 0;
  z-index: 9999;
  height: 2.933333rem;
  width: 100%;
  background-color: #fff;
  padding-top: 0.533333rem;
  border-top: 1px solid #ccc;
}
.footer .item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer .item:nth-child(1) p {
  color: #e03326;
}
.footer .item img {
  width: 1.04rem;
  height: 1.093333rem;
}
.footer .item p {
  font-size: 0.586667rem;
  color: #666666;
  margin-top: 0.266667rem;
}
